From 3c99150ad2110713980d76b328522e53e6d33bfe Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ren=C3=A9=20Jochum?= <r.jochum@proxmox.com>
Date: Fri, 4 May 2018 10:04:16 +0200
Subject: [PATCH] fix #1721: unmount containers before trying to mount them
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Signed-off-by: René Jochum <r.jochum@proxmox.com>
---
 src/lxc-pve-prestart-hook | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lxc-pve-prestart-hook b/src/lxc-pve-prestart-hook
index 61a8ef3..d50520f 100755
--- a/src/lxc-pve-prestart-hook
+++ b/src/lxc-pve-prestart-hook
@@ -94,6 +94,9 @@ __PACKAGE__->register_method ({
 	    push @$devices, $dev if $dev && $mountpoint->{quota};
 	};
 
+	# Unmount first when the user mounted the container with "pct mount".
+	PVE::Tools::run_command(['umount', '--recursive', $rootdir], outfunc => sub {}, errfunc => sub {});
+
 	PVE::LXC::Config->foreach_mountpoint($conf, $setup_mountpoint);
 
 	my $lxc_setup = PVE::LXC::Setup->new($conf, $rootdir);
-- 
2.39.5